Power 18w Color Temp (K) 3100,5000,7000 Material PC CRI 84Ra LED Q'ty 348pcs Power factor >0.92 Input Voltage 110V/220V Short current <5mA Working frenquency 50- 60HZ Light decay <3%-8%/1000hours Luminous flux 1650-1740lm Environment Temp -20- 50C Luminous efficiency 100lm/w Environment Humidity >95% Viewing angle 120Degree Dimension L1500mm C30mm   Feature: *Take super-brightness LED as light source, emit higher brightness at lower cost , possess more advantages than the conventional lamp. *Instant start, no flickering, good for eyes. *Environmental friendly, not contain mercury or any lead, no Rf interference *LED light does not emit ultraviolet ray,which will attract mosquitoes around the lamp, so it helps to keep the room clean and tidy. *AC changed into DC directly, no flashing occurs, so it is good for eyes *Special circuit design, each LED work separately, any individual Led failure will not cause other LEDs black out. *Maintenance free, no ballast or starter required *Energy sawing up to 80%. Application: Can be used in almost kinds of circumstances,such as store, school, hotel, restaurant, house, and so on.